x 4014 ) 
eunt {motu forinfecus ajjumptd) per motuum quibus tranjlgantUY 
i^X?^^'^^ celeritatem. ( ^ippe idem , in Mom , Celeritas ^ 
atqm Imc, in Situ {propter pofttionem obliquam [eu minus decii- 
vem) refpectiv^ Lorigitudo,) JptiJJime qmdem in lineis a motu 
primitus oriundis^ {put d ,Cy chide ^ Conchoide\ Spiralis ^adra» 
trice^ 6c.) necinepte inaliis^ quce fingi (altem po^imt iJHufmodi 
motibus defcribi^ t 
.Trcefumo autem (ex propyl 5* cap» 2. de Motu) eamejjecurv^ 
in quovis puncto directionem, adeoque 6 declivitatem^ qu£ e/i recta 
ibidem tangentift Item (ex prop. 6. cap. 10.) Motus compofiti dit 
rectionem ejp in DiagoniQ parallelogrammi , cujus la^era ^ anguli 
exhibeant compmentium celefitates ^ directiprzes^ 
InuHigaturjam (fig. 4.) parabola, dejcribi motu compoftto, 
ex £quabili fecundum AT vel Fa y cujus itaque particuU Isr^x^ovoi 
(per pr.-5. cap* 10* de Motu) funt f cries Fnmanorum^ qus ad [e-. 
riem totidem ultimne £qualium^ {f^^eefi^ ad rectam ^^^X^^^^v cehri* 
tate iriaacquifi'ktranjiaendarn,^ ejl ut \ ad 2^ {per At. Infin.pr. 
64. vel pr. I, cap. 5, de Motu*) Adeoque^ [tmpta VF^ iVA^ 
comp(^Jito FF^v parallelogrammo 3 juncta aF eji Tarn 
gent. 
Idem fmiliter obtinehitur in Varaloloidibus quibufcunque^ epe 
prop* 2, 5, 6^ 7^ de Motu. 
At que inde facile (^vet ex iifdemprincipiis^ ojlenditur 9 ^intel* 
Ugatur Fig, ATy Jic conftituta^ ut momenta ( refpectu AF) erdi" 
natorum Tv^ y »^ fint ipfis y"**^ y 0 , ordinatis preportionalia 5 
runt Celerit^tes ^cquijfta in ce, §^ feu F^ (poj'ta ATlinea mo" 
ius £qmbilis) rfctis Tet^yt^, proportionates : Et conjequenter^ ut 
AvY (zBarum aggregatum^ ad AF y T {aggregatum totidem maxi: 
fn£ (equalium^) Jic FA (aggregatum celeritatum feuparticularum 
' •$refeentium') ad {aggregatum tQtid^m maximt^ aquahum ) 
TF. ' 
Spiralis AS a (fig. 9.) punetum a depgnatur motu compojit0 ex 
recto per A*^ 6 circulari per Fct^^quahihbus utrifque ^](Tox^ovotf> 
ErgOj fumpta circuU tangente ^==*K 5 6 compkto AmtF paralle* 
Ugrammo ; juncta et F Spirakm tanget. 
Vnde fiatim emergtt Anhimedea quadrature (^five Circuit fv& 
Sectoris cujufvis ) propter A p ^e^^a F. 
-sin motuum alter ^ puta A (it accelerafus ml retardatus > pr& 
